Immunosuppressive Principles of Rehmannia glutinosa var. hueichingensis1 - Sasaki, Hiroshi; Nishimura, Hiroaki; Morota, Takashi; Chin, Masao; Mitsuhashi, Hiroshi; Komatsu, Yasuhiro; Maruyama, Hirofumi; Guo-rui, Tu; Wei, He; Yu-lang, Xiong (Planta Medica, 1989)